Analysis

  • max time kernel
    135s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 19:28

General

  • Target

    a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    a3d46b3546ab528e9d852a73186f9671

  • SHA1

    a07a7771d168effcd834aa9d2ac94d3214a5a809

  • SHA256

    e5777cdbf2bcfc7d6aec92d41d2634975518a2b0d20d6da136307c8302d6fd8d

  • SHA512

    3b19dc890029f33e650504c34599c1714fbc8af714e5b9f001e4a054049d22d99122f7d32694d3d93a85a531eaf3bea4e7b48c0b30ca432d491dd7439208926a

  • SSDEEP

    3072:F+vEEEIRBuTJQ5XD1/xGRm3MEn96K3H1UZpXbv9xD13:OEQBuyXD5nqx

Score
7/10

Malware Config

Signatures

  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Users\Admin\AppData\Local\Temp\a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Users\Admin\AppData\Local\Temp\a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\a3d46b3546ab528e9d852a73186f9671_JaffaCakes118.exe
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        PID:5364
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4188-2-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4188-4-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4188-6-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/5364-5-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5364-9-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5364-10-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5364-11-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5364-13-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB